Pirelli P Zero 285/30/ Zr 20 on 2040-parts.com

New Porsche World Premier at LA Motor Show. But what is it?

Porsche World Premiere Los Angeles - a new version of the 918? With the Los Angeles Motor Show looming later this month, car makers are starting to tease. And Porsche are teasing with their offerings for LA with the promise of a world premier of a new Porsche.

Traffic Booster honks at drivers as soon as the light turns green

The Traffic Booster is a simple little device: a few resistors, some switches, a box with a cheap car horn in it. The schematics are here for easy home replication, dog-eared copy of "The Anarchist Cookbook" not required. But the apocalyptic infuriation it causes is priceless, and if deployed across a city center, the ensuing riots will cause untold millions in damages.

KTM halts production of the X-Bow two-seater as inventory grows

With sales well below expectations and 80 units reportedly unsold, Austrian motorcycle company KTM has temporarily halted production of the ultralight X-Bow two-seat sports car. KTM officials originally expected sales of 1,000 units a year. But that lofty goal is being scaled back to between 200 and 300 units a year.